Dr. Mark Hammergren

	Nickname: Dr. Hammer, Chairman Bao
positions	Assistant Academic Director, SSPI Astronomer, Adler Planetarium & Astronomy Museum, Chicago, Illinois
education	Ph.D., Astronomy, 1998, University of Washington B.S., Physics and Astronomy, 1986, University of Illinois at Urbana-Champaign
homepage	Research At Adler